OP19.03: Assessment of crown-rump length measurement variability
نویسندگان
چکیده
منابع مشابه
Standardisation of crown-rump length measurement.
Correct estimation of gestational age is essential for any study of ultrasound biometry and for everyday clinical practice. However, inconsistency in pregnancy dating may occur through differences in measurement methods or errors during measurement. In the INTERGROWTH-21(st) Project, pregnancies are dated by the last menstrual period, provided that it is certain and associated with a regular me...
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In view of the importance now attached to the care of the premature infant, it is highly desirable that stock should be taken of the definitions and classifications in general use, and that the possibility of their improvement should be frequently reviewed. Whilst it is generally recognized that the prospects of survival depend to a much greater extent on functional maturity, e.g. of respiratio...
متن کاملCorrelation between the Fetal Liver Length and Crown- Rump Length During the First Trimester Screening
Objective: The aim of the present study was to determine the correlation between fetal liver length (FLL) at the 11+0–13+6 week of pregnancy and crown-rump length (CRL). Methods: Pregnant women (n=63) referring to the Başkent University Konya Hospital Obstetrics and Gynecology Clinic between January and March 2014 for first trimester screening were included in the study. Patients were excluded ...
متن کاملThe chromosome analysis of the miscarriage tissue. Miscarried embryo/fetal crown rump length (CRL) measurement: A practical use
OBJECTIVE To investigate whether miscarried embryo/fetal crown rump length (CRL) measurement may yield a practical application for predicting a conclusive result at the cytogenetic analysis of miscarriage tissue. Our study might help in improving the cytogenetic method, the results of which may be affected by maternal cell contamination (MCC). In particular, we aimed at establishing whether the...
متن کاملFetal heart assessment in the first trimester of pregnancy: influence of crown-rump length and maternal body mass index
OBJECTIVE To evaluate the influence of the crown-rump length and body mass index on sonographic evaluation of the fetal heart using abdominal and vaginal routes in the first trimester of pregnancy. METHODS We conducted a cross-sectional study with 57 pregnant women between 12-14 weeks (CRL< 84 mm). We evaluated the following fetal cardiac plans using the abdominal and vaginal routes: four-cha...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics & Gynecology
سال: 2013
ISSN: 0960-7692
DOI: 10.1002/uog.12882